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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 
 

Expression of BIRC7 protein and mRNA in non-Hodgkin's lymphoma.

Studies have shown that BIRC7, a new member of inhibitor of the apoptosis protein family, is expressed in fetal tissues and most solid tumors in humans. However, there are no reported data concerning BIRC7 expression in lymphomas. We investigated the expression of BIRC7, survivin, Bcl-2, Bax, p53 and p170 proteins in 167 cases of non-Hodgkin's lymphoma (NHL) and 10 cases of non-specific lymphadenitis by tissue microarray-based immunohistochemistry. BIRC7 mRNA in three cell lines and 16 cases of NHL were detected by reverse transcriptase-polymerase chain reaction. BIRC7 protein was exhibited in the cytoplasm of cells in 25 (31%) of 80 cases of B-NHLs, 32 (37%) of 87 cases of T-NHLs, and none in non-specific lymphadenitis. The positive rate of BIRC7 was lower than that of survivin in almost all types of NHL with no significant differences, and similar to that of Bcl-2, Bax or p53. There was no correlation of protein expression between BIRC7 and any other detected markers, except p170 in T-NHL (P < 0.001). BIRC7 expression did not correlate with clinic pathologic factors such as sex, age, stage and grade, but overexpression of BIRC7 was positively correlated with aggression of NHL cells (P < 0.05). BIRC7 mRNA expressed in six (38%) of 16 cases of NHLs. BIRC7 mRNA expression was approximately consistent with BIRC7 protein in NHL. Our results indicate that the BIRC7 gene might play a role in the development and aggression of NHL and that the inhibition of BIRC7 expression may be important in NHL treatment.[1]

References

  1. Expression of BIRC7 protein and mRNA in non-Hodgkin's lymphoma. Wu, H., Ma, Y., Zhu, Y., Shen, Y., Gu, C., Ye, Z., Lin, H. Leuk. Lymphoma (2006) [Pubmed]
 
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